September weather forecastPlaissan, France

September

Weather in September

September, the first month of the autumn in Plaissan, is also a moderately hot month, with temperature in the range of an average high of 23.7°C (74.7°F) and an average low of 15.8°C (60.4°F).

Temperature

September signifies a gentle decline in Plaissan's average high-temperature, easing from 28.1°C (82.6°F) in August to a still moderately hot 23.7°C (74.7°F). Throughout September, a steady low-temperature average of 15.8°C (60.4°F) is noted.

Humidity

In September, the average relative humidity is 67%.

Rainfall

In Plaissan, France, in September, it is raining for 8.4 days, with typically 30mm (1.18") of accumulated precipitation. Throughout the year, there are 131 rainfall days, and 444mm (17.48") of precipitation is accumulated.

Snowfall

In Plaissan, snow does not fall in January, April through December.

Daylight

The average length of the day in September is 12h and 30min.
On the first day of September, sunrise is at 07:10 and sunset at 20:21. On the last day of the month, sunrise is at 07:42 and sunset at 19:28 CEST.

Sunshine

In Plaissan, France, the average sunshine in September is 9.1h.

UV index

In Plaissan, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 5 during September translates into the following guidance:
Take precautions - Protection against sun damage is advised. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.

Frequently asked questions

During September, Plaissan experiences an average high-temperature of 23.7°C (74.7°F) and a low-temperature of 15.8°C (60.4°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in August is appraised at 30°C (86°F).

In Plaissan, France, the average relative humidity in September is 67%.

In September, in Plaissan, the rain falls for 8.4 days. Throughout September, 30mm (1.18") of precipitation is accumulated.

January, April through December are months without snowfall in Plaissan.

In Plaissan, the average day length in September is 12h and 30min.

On the first day of September in Plaissan, sunrise is at 07:10 and sunset at 20:21. On the last day of the month, sunrise is at 07:42 and sunset at 19:28 CEST.

In September, the average sunshine duration is 9.1h.

The average daily maximum UV index in September in Plaissan is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Plaissan, France

  • Average high temperature in September: 23.7°C

The warmest months (with the highest average high temperature) are July and August (28.1°C).
The month with the lowest average high temperature is January (9.9°C).

  • Average low temperature in September: 15.8°C

The month with the highest average low temperature is August (18.8°C).
The coldest month (with the lowest average low temperature) is February (4.7°C).

Average pressure in September
Plaissan, France

  • Average pressure in September: 1017.6mbar

The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015mbar).

Average wind speed in September
Plaissan, France

  • Average wind speed in September: 13.4km/h

The windiest month (with the highest average wind speed) is February (18km/h).
The calmest month (with the lowest average wind speed) is August (13.2km/h).

Average humidity in September
Plaissan, France

  • Average humidity in September: 67%

The months with the highest relative humidity are November and December (77%).
The months with the lowest relative humidity are July and August (62%).

Average rainfall in September
Plaissan, France

  • Average rainfall in September: 30mm

The wettest month (with the highest rainfall) is October (79mm).
The driest month (with the least rainfall) is August (18mm).

Average rainfall days in September
Plaissan, France

  • Average rainfall days in September: 8.4 days

The month with the highest number of rainy days is November (15.5 days).
The month with the least rainy days is July (8.1 days).

Average snowfall in September
Plaissan, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is March (4mm).
The months with the least snowfall are January, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September
Plaissan, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Plaissan, France

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 9h and 6min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is November (Average sunshine: 5h and 42min).

Average sunshine days in September
Plaissan, France

  • Average sunshine days in September: 19.5 days

The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is November (11.7 days).

Average UV index in September
Plaissan, France

  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in September
Plaissan, France

  • Average cloud cover in September: 21

The month with the most cloud cover is November (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 14).

Average visibility in September
Plaissan, France

  • Average visibility in September: 10km

The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January and November (9km).